Catalina Island Marathon

Avalon, United States • 7 Mar 2026

The Catalina Island Marathon, held annually in Avalon, California, is the oldest trail marathon in the state and serves as California’s State Off-Road Marathon Championship. The event features multiple race distances including a full marathon (26.2 miles), 10K, 5K, and a kids' run. The course runs through the Catalina Island Conservancy, offering runners stunning ocean views, rolling green hills, and rugged natural trails. This scenic and challenging race provides a unique experience combining outdoor adventure with the island’s historic charm. The marathon is a bucket-list event for trail runners seeking a memorable and picturesque race environment. Visit the organization's website for the most recent information.

Race information

26 mi
Catalina Island Marathon 26.2 Miles
10 km
Catalina Island 10k 6.2 Miles
5 km
Catalina Island 5k 3.1 Miles
Catalina Island Triple Crown Challenge
Kids Run
Visit the organization's website for the most recent information.
Trail runs nearby

The Catalina Island Half-Marathon & 10K is a scenic trail running event held in Avalon, California. The half-marathon covers 13.1 miles, featuring challenging climbs through Catalina Island’s rugged interior, starting past the historic Wrigley Mansion. Runners are rewarded with breathtaking Pacific..